CVE-2021-25129 : Exploit Details and Defense Strategies
Discover the details of CVE-2021-25129 affecting HPE Cloudline servers. Learn about the path traversal vulnerability in BMC firmware, impacted versions, and essential mitigation steps.
This CVE-2021-25129 article provides insight into a vulnerability found in the Baseboard Management Controller (BMC) firmware of multiple HPE Cloudline servers, potentially exposing them to a path traversal attack.
Understanding CVE-2021-25129
This section delves into the specifics of the CVE-2021-25129 vulnerability affecting various HPE Cloudline servers.
What is CVE-2021-25129?
The Baseboard Management Controller (BMC) in HPE Cloudline servers is vulnerable to a local spx_restservice getvideodata_func function path traversal exploit.
The Impact of CVE-2021-25129
The vulnerability could allow threat actors to traverse directories and access sensitive information, compromising the security and integrity of affected servers.
Technical Details of CVE-2021-25129
In this section, we explore the technical aspects of CVE-2021-25129 to understand its implications.
Vulnerability Description
The vulnerability lies in the BMC firmware of HPE Cloudline servers, which could be exploited through a path traversal technique via the spx_restservice getvideodata_func function.
Affected Systems and Versions
The affected products include HPE Cloudline CL5800 Gen9, CL5200 Gen9, CL4100 Gen10, CL3100 Gen10, and CL5800 Gen10 servers running firmware versions 1.09.0.0, 1.07.0.0, 1.10.0.0, 1.08.0.0, and others.
Exploitation Mechanism
Threat actors can abuse the vulnerability by leveraging the path traversal flaw in the BMC firmware to access unauthorized directories and data on the affected servers.
Mitigation and Prevention
This section outlines essential steps to mitigate the risks associated with CVE-2021-25129 and enhance the security of HPE Cloudline servers.
Immediate Steps to Take
Immediately update the BMC firmware of vulnerable Cloudline servers to the latest patched versions to mitigate the path traversal vulnerability.
Long-Term Security Practices
Implement regular security audits, monitor server logs for suspicious activities, and restrict network access to BMC interfaces to prevent unauthorized access.
Patching and Updates
Stay informed about security updates released by HPE for the Cloudline server BMC firmware and apply patches promptly to address known vulnerabilities.